/*
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package com.l2emu.gameserver.network.serverpackets;

import javolution.util.FastList;

import com.l2emu.gameserver.instancemanager.FortSiegeManager;
import com.l2emu.gameserver.instancemanager.FortSiegeManager.SiegeSpawn;
import com.l2emu.gameserver.model.L2Spawn;
import com.l2emu.gameserver.model.entity.Fort;

/**
 *
 * @author  KenM
 */
public class ExShowFortressMapInfo extends L2GameServerPacket
{
    private final Fort _fortress;
    
    public ExShowFortressMapInfo(Fort fortress)
    {
        _fortress = fortress;
    }
    
    /**
     * @see com.l2emu.gameserver.network.serverpackets.L2GameServerPacket#getType()
     */
    @Override
    public String getType()
    {
        return "[S] FE:7D ExShowFortressMapInfo";
    }

    /**
     * @see com.l2emu.gameserver.network.serverpackets.L2GameServerPacket#writeImpl()
     */
    @Override
    protected void writeImpl()
    {
        writeC(0xfe);
        writeH(0x7d);
        
        writeD(_fortress.getFortId());
        writeD(_fortress.getSiege().getIsInProgress() ? 1 : 0); // fortress siege status
        writeD(_fortress.getFortSize()); // barracks count
        
        FastList<SiegeSpawn> commanders = FortSiegeManager.getInstance().getCommanderSpawnList(_fortress.getFortId());
        if (commanders != null && commanders.size() != 0 && _fortress.getSiege().getIsInProgress())
        {
        	switch (commanders.size())
        	{
        		case 3:
        		{
        			for (SiegeSpawn spawn : commanders)
        			{
        				if (isSpawned(spawn.getNpcId()))
        					writeD(0);
        				else
        					writeD(1);
        			}
        			break;
        		}
        		case 4: // TODO: change 4 to 5 once control room supported
        		{
        			int count = 0;
        			for (SiegeSpawn spawn : commanders)
        			{
        				count++;
        				if (count == 4)
        					writeD(1); // TODO: control room emulated
        				if (isSpawned(spawn.getNpcId()))
     						writeD(0);
        				else
        					writeD(1);
        			}
        			break;
        		}
        	}
        }
        else
        {
        	for (int i = 0; i <_fortress.getFortSize(); i++)
        	{
        		writeD(0);
        	}
        }
    }

    /**
     * @param npcId
     * @return
     */
    private boolean isSpawned(int npcId)
    {
    	boolean ret = false;
    	for (L2Spawn spawn : _fortress.getSiege().getCommanders().get(_fortress.getFortId()))
    	{
    		if (spawn.getNpcid() == npcId)
    			ret = true;
    	}
    	return ret;
    }
}
